I spent the afternoon welding the top half of the black water tank.
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I had a change to practice with the speed tip early in the afternoon, and was able to get consistent welds at a rate of 1 inch per 3 seconds. This is considerably faster than free-handing.
Decided to start on the tank, and managed to get most of the top portion of the tank together. The speed tip was used for all welds except at the inside lower corners, where the sides and tank bottom meet. These areas must be free-handed. The top of the tank will be added once the lower trough is completed.
That's all for today.